PerformanceResourceTiming.cpp [plain text]
#include "config.h"
#include "PerformanceResourceTiming.h"
#if ENABLE(WEB_TIMING)
#include "Document.h"
#include "DocumentLoader.h"
#include "HTTPHeaderNames.h"
#include "LoadTiming.h"
#include "URL.h"
#include "ResourceRequest.h"
#include "ResourceResponse.h"
#include "SecurityOrigin.h"
#include <wtf/Vector.h>
namespace WebCore {
static double monotonicTimeToDocumentMilliseconds(Document* document, double seconds)
{
ASSERT(seconds >= 0.0);
return Performance::reduceTimeResolution(document->loader()->timing().monotonicTimeToZeroBasedDocumentTime(seconds)) * 1000.0;
}
static bool passesTimingAllowCheck(const ResourceResponse& response, Document* requestingDocument)
{
RefPtr<SecurityOrigin> resourceOrigin = SecurityOrigin::create(response.url());
if (resourceOrigin->isSameSchemeHostPort(requestingDocument->securityOrigin()))
return true;
const String& timingAllowOriginString = response.httpHeaderField(HTTPHeaderName::TimingAllowOrigin);
if (timingAllowOriginString.isEmpty() || equalLettersIgnoringASCIICase(timingAllowOriginString, "null"))
return false;
if (timingAllowOriginString == "*")
return true;
const String& securityOrigin = requestingDocument->securityOrigin()->toString();
Vector<String> timingAllowOrigins;
timingAllowOriginString.split(' ', timingAllowOrigins);
for (auto& origin : timingAllowOrigins) {
if (origin == securityOrigin)
return true;
}
return false;
}
PerformanceResourceTiming::PerformanceResourceTiming(const AtomicString& initiatorType, const URL& originalURL, const ResourceResponse& response, LoadTiming loadTiming, Document* requestingDocument)
: PerformanceEntry(originalURL.string(), "resource", monotonicTimeToDocumentMilliseconds(requestingDocument, loadTiming.startTime()), monotonicTimeToDocumentMilliseconds(requestingDocument, loadTiming.responseEnd()))
, m_initiatorType(initiatorType)
, m_timing(response.networkLoadTiming())
, m_loadTiming(loadTiming)
, m_shouldReportDetails(passesTimingAllowCheck(response, requestingDocument))
, m_requestingDocument(requestingDocument)
{
}
PerformanceResourceTiming::~PerformanceResourceTiming()
{
}
AtomicString PerformanceResourceTiming::initiatorType() const
{
return m_initiatorType;
}
double PerformanceResourceTiming::redirectStart() const
{
if (!m_shouldReportDetails)
return 0.0;
return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_loadTiming.redirectStart());
}
double PerformanceResourceTiming::redirectEnd() const
{
if (!m_shouldReportDetails)
return 0.0;
return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_loadTiming.redirectEnd());
}
double PerformanceResourceTiming::fetchStart() const
{
return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_loadTiming.fetchStart());
}
double PerformanceResourceTiming::domainLookupStart() const
{
if (!m_shouldReportDetails)
return 0.0;
if (m_timing.domainLookupStart <= 0)
return fetchStart();
return resourceTimeToDocumentMilliseconds(m_timing.domainLookupStart);
}
double PerformanceResourceTiming::domainLookupEnd() const
{
if (!m_shouldReportDetails)
return 0.0;
if (m_timing.domainLookupEnd <= 0)
return domainLookupStart();
return resourceTimeToDocumentMilliseconds(m_timing.domainLookupEnd);
}
double PerformanceResourceTiming::connectStart() const
{
if (!m_shouldReportDetails)
return 0.0;
if (m_timing.connectStart <= 0)
return domainLookupEnd();
double connectStart = m_timing.connectStart;
if (m_timing.domainLookupEnd >= 0)
connectStart = m_timing.domainLookupEnd;
return resourceTimeToDocumentMilliseconds(connectStart);
}
double PerformanceResourceTiming::connectEnd() const
{
if (!m_shouldReportDetails)
return 0.0;
if (m_timing.connectEnd <= 0)
return connectStart();
return resourceTimeToDocumentMilliseconds(m_timing.connectEnd);
}
double PerformanceResourceTiming::secureConnectionStart() const
{
if (!m_shouldReportDetails)
return 0.0;
if (m_timing.secureConnectionStart < 0) return 0.0;
return resourceTimeToDocumentMilliseconds(m_timing.secureConnectionStart);
}
double PerformanceResourceTiming::requestStart() const
{
if (!m_shouldReportDetails)
return 0.0;
return resourceTimeToDocumentMilliseconds(m_timing.requestStart);
}
double PerformanceResourceTiming::responseStart() const
{
if (!m_shouldReportDetails)
return 0.0;
return resourceTimeToDocumentMilliseconds(m_timing.responseStart);
}
double PerformanceResourceTiming::responseEnd() const
{
if (!m_shouldReportDetails)
return 0.0;
return monotonicTimeToDocumentMilliseconds(m_requestingDocument.get(), m_loadTiming.responseEnd());
}
double PerformanceResourceTiming::resourceTimeToDocumentMilliseconds(double deltaMilliseconds) const
{
if (!deltaMilliseconds)
return 0.0;
double documentStartTime = m_requestingDocument->loader()->timing().monotonicTimeToZeroBasedDocumentTime(m_loadTiming.fetchStart()) * 1000.0;
double resourceTimeSeconds = (documentStartTime + deltaMilliseconds) / 1000.0;
return 1000.0 * Performance::reduceTimeResolution(resourceTimeSeconds);
}
} #endif // ENABLE(WEB_TIMING)